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The ratio of the shunt resistance and th...

The ratio of the shunt resistance and the resistance of a galvanometer is `1:499`. If the full scale deflection current of the galvanometer is `2mA`, the range of the ammeter is

A

`4A`

B

`3A`

C

`2A`

D

`1A`

Text Solution

Verified by Experts

The correct Answer is:
D
`i_(g)=[(S)/(G+S)]i` given that `(S)/(G)=(1)/(499)`
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Knowledge Check

  • The ratio of the shunt resistance and the resistance of a galvanometer is 1*499 . If the full scale deflection current of the galvanomter is 2mA , the range of ammeter is

    A
    `1A`
    B
    `2A`
    C
    `3A`
    D
    `4A`

  • A galvanometer of resistance 50Omega is converted into an ammeter by connecting a low resistance (shunt) of value 1Omega in parallel to the galvanometer, S. If full - scale deflection current of the galvanometer is 10 mA, then the maximum current that can be measured by the ammeter is -

    A
    500 mA
    B
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    C
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    D
    490 mA

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    A
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